Base | Representation |
---|---|
bin | 1110101001111… |
… | …11001001110000 |
3 | 22120100002210210 |
4 | 13110333021300 |
5 | 222433121224 |
6 | 20111024120 |
7 | 3021663450 |
oct | 724771160 |
9 | 276302723 |
10 | 122942064 |
11 | 63441213 |
12 | 3520b040 |
13 | 1c6170ab |
14 | 12483d60 |
15 | abd7429 |
hex | 753f270 |
122942064 has 80 divisors (see below), whose sum is σ = 364325888. Its totient is φ = 34995456.
The previous prime is 122942051. The next prime is 122942069. The reversal of 122942064 is 460249221.
It is a super-2 number, since 2×1229420642 = 30229502201160192, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122942069) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122814 + ... + 123810.
Almost surely, 2122942064 is an apocalyptic number.
122942064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 122942064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182162944).
122942064 is an abundant number, since it is smaller than the sum of its proper divisors (241383824).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
122942064 is a wasteful number, since it uses less digits than its factorization.
122942064 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1382 (or 1376 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 30.
The square root of 122942064 is about 11087.9242421654. The cubic root of 122942064 is about 497.2408879403.
The spelling of 122942064 in words is "one hundred twenty-two million, nine hundred forty-two thousand, sixty-four".
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